Difference between revisions of "ACPI"

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=== ACPI 2.0/3.0 without XSDT ===
=== ACPI 2.0/3.0 without XSDT ===
Linux 2.6.12.x requires an XSDT if the RSDP revision is larger than 0 as it's hardcoded to use that instead of the RSDT then. Fixed in later Linux versions.
Linux 2.6.12.x requires an XSDT if the RSDP revision is larger than 0 as it's hardcoded to use that instead of the RSDT then. Fixed in later Linux versions.
=== PCI Hotplug _BBN fail ===
If you are seeing the following error you are on a (most likely old) system with PCI(e) hotplug.
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
pciehp: acpi_pciehprm:\_SB_.PCI0 evaluate _BBN fail=0x5
pciehp: acpi_pciehprm:get_device PCI ROOT HID fail=0x5
Add the following under PCI0 device to get rid of the error:
Name(_ADR, 0)
Name(_BBN, 0)


= Further Resources =
= Further Resources =

Revision as of 21:49, 11 August 2009